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Unformatted text preview: 77777 77777 Instructor(s): PHYSICS DEPARTMENT PHY 2005, Spring 2010 EXAM I February 10, 2010 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE. (1) Code your test number on your answer sheet (use lines 7680 on the answer sheet for the 5-digit number) . Code your name on your answer sheet. DARKEN CIRCLES COMPLETELY . Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) Do all scratch work anywhere on this exam that you like. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Blacken the circle of your intended answer completely, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) Hand in the answer sheet separately. Physical Constants: g = 9 . 8 m/s 2 m e = 9 . 11 10- 31 Kg m p = 1 . 67 10- 27 Kg e = 1 . 6 10- 19 C constant k in Coulombs Law: k = 9 10 9 Nm 2 /C 2 o = 4 10- 7 N/A 2 o = 8 . 85 10- 12 C 2 /Nm 2 1. (2 pts) Two point charges are on the x-axis . A +4.0 C charge is at x =- 1 m and a +1 C is at x = 2 m. A third= 2 m....
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